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Chromosome Microarray

Message
Pertinent medical findings must accompany the test request form. Call 800-345-4363 to request forms, or photocopy the Clinical Questionnarie for SNP Microarray form from the Genetics Appendix. This test may also be performed on adults. When a child tested


Test Code
510002


Alias/See Also
aCGH; CGH; CMA; Microarray Pediatric/Adult; Reveal(R) SNP Microarray - Pediatric; SNP Array; WGA


CPT Codes
81229

Preferred Specimen
Whole blood OR LabCorp buccal swab kit (Buccal swab collection kit contains instructions for the use of a buccal swab.)


Minimum Volume
2 mL (neonatal) (NOTE: This volume does NOT allow for repeat testing.) OR two buccal swabs


Transport Container
Green-top (heparin) tube (preferred), yellow-top (ACD) tube, OR lavender-top (EDTA) tube OR LabCorp buccal swab kit.


Transport Temperature
Maintain specimen at room temperature.


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Quantity not sufficient for analysis; wet buccal swab


Methodology
Whole genome SNP-based copy number microarray analysis targeting 2.695 million copy number and allele-specific genome sites



The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.